US3141649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Externally operated gate valve for irrigation conduits
Assignee: Individual
•
Filing: 1961-06-12
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Granted: 1964-07-21
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Baxter Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:46
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; E; E02; E02B; E02B13/00; E02B13/02; E03; E03F; E03F7/00; E03F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A VALVE COMPRISING A CASING HAVING A TUBULAR FLUID CONDUCTING PORTION BEING SUBSTANTIALLY CIRCULAR IN CROSS SECTION AND HAVING A LONGITUDINAL AXIS, A PARTITION IN THE CASING DISPOSED TRANSVERSELY THEREOF IN A PLANE SUBSTANTIALLY NORMAL TO THE AXIS OF THE FLUID CONDUCTING PORTION PROVIDING AN OVAL-SHAPED PORT THERETHROUGH HAVING A MAJOR AXIS RIGHT ANGULARLY RELATED TO A DIAMETER OF THE FLUID CONDUCTING PORTION AND DISPOSED ENTIRELY BETWEEN THE CENTER OF THE FLUID CONDUCTING PORTION OF THE CASING AND ITS PERIPHERY, AN OVAL-SHAPED GATE HAVING A MAJOR AXIS AND BEING ADAPTED TO SEAT IN SAID PORT, AND MEANS SLIDABLY MOUNTING THE GATE ON THE PARTITION WITH ITS MAJOR AXIS PARALLEL TO THE MAJOR AXIS OF THE PORT FOR RECIPROCAL ADJUSTMENT ALONG SAID DIAMETER OF THE FLUID CONDUCTING PORTION OF THE CASING BETWEEN A POSITION SEATED IN THE PORT AND A RETRACTED POSITION DISPOSED WITHIN SAID TUBULAR PORTION OF THE CASING OPPOSITE TO THE CENTER OF THE FLUID CONDUCTING PORTION FROM THE PORT.
Claim 2
Dependent Claim
161 words
A VALVE COMPRISING A CASING HAVING A TUBULAR FLUID CONDUCTING PORTION BEING SUBSTANTIALLY CIRCULAR IN CROSS SECTION AND HAVING A LONGITUDINAL AXIS, A PARTITION IN THE CASING DISPOSED TRANSVERSELY THEREOF IN A PLANE SUBSTANTIALLY NORMAL TO THE AXIS OF THE FLUID CONDUCTING PORTION PROVIDING AN OVAL-SHAPED PORT THERETHROUGH HAVING A MAJOR AXIS RIGHT ANGULARLY RELATED TO A DIAMETER OF THE FLUID CONDUCTING PORTION AND DISPOSED ENTIRELY BETWEEN THE CENTER OF THE FLUID CONDUCTING PORTION OF THE CASING AND ITS PERIPHERY, AN OVAL-SHAPED GATE HAVING A MAJOR AXIS AND BEING ADAPTED TO SEAT IN SAID PORT, AND MEANS SLIDABLY MOUNTING THE GATE ON THE PARTITION WITH ITS MAJOR AXIS PARALLEL TO THE MAJOR AXIS OF THE PORT FOR RECIPROCAL ADJUSTMENT ALONG SAID DIAMETER OF THE FLUID CONDUCTING PORTION OF THE CASING BETWEEN A POSITION SEATED IN THE PORT AND A RETRACTED POSITION DISPOSED WITHIN SAID TUBULAR PORTION OF THE CASING OPPOSITE TO THE CENTER OF THE FLUID CONDUCTING PORTION FROM THE PORT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |